Provide details of the following:

Transactions processing systems

Collects, stores, modifies and retrieves the daily transactions of an organisation e.g. A point-of-sale terminal.

Usage	Security	Output

Batch processing

Collects the transaction data into a group and then processes it later. Often used where the data is needed in paper form such as cheques

Usage	Security	Output

Real-time processing

Works where each transaction is immediately processed providing instant confirmation but it usually is required to be connected to an online database.

Usage	Security	Output

Decision support systems

Assists people to make decisions by providing information, models and analysis tools. They can be used on a daily basis or when an organisation has to react to something unexpected or make changes.

Usage	Security	Output

Expert systems

Provides information and solves problems that would otherwise require a person experienced in that field (an expert). They are useful in diagnosing, monitoring, selecting, designing, predicting and training.

Usage	Security	Output

Management information systems

Provides information for the organisations managers. An MIS presents basic facts about the performance of the organisation e.g. A budget or report. The awareness of how performance is measured provides motivation for workers and helps make decisions.

Usage	Security	Output

Office automation systems

Provides people with effective ways to complete administrative tasks in an organisation. They use software tools such as word processors, databases etc. And also use communication technology.

Usage	Security	Output

Database information systems

Most information systems store data in a database. Databases are accessed by a database management system (DBMS).

Usage	Security	Output